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Multiple Choice
Which of the following events occurs during Meiosis II?
A
Homologous chromosomes separate
B
Crossing over occurs
C
DNA replication occurs
D
Sister chromatids separate
Verified step by step guidance
1
Understand that Meiosis is a type of cell division that reduces the chromosome number by half, creating four haploid cells. It consists of two stages: Meiosis I and Meiosis II.
Recall that during Meiosis I, homologous chromosomes (each consisting of two sister chromatids) are separated into two different cells. This is where crossing over occurs, and homologous chromosomes exchange genetic material.
Recognize that Meiosis II is similar to mitosis, where the sister chromatids of each chromosome are separated into different cells.
Identify that DNA replication does not occur between Meiosis I and Meiosis II. The DNA is replicated only once before Meiosis I begins.
Conclude that during Meiosis II, the key event is the separation of sister chromatids, resulting in four genetically distinct haploid cells.